Footwear sole



FIG. 1 is a bottom plan view of a footwear sole showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom, front, left side perspective view thereof.

The broken lines and adjacent surrounding surfaces within the solid line perimeters of the generally crescent-shaped or rectangular elements in FIG. 1 represent portions of the footwear sole that form no part of the claimed design. 

CLAIM The ornamental design for a footwear sole, as shown and described. 